Acta Agrestia Sinica
Effect of Basal Dressing Selenium and Cobalt Combined Fertilizer on Productive Performance of Alfalfa( Medicago sativa L.)
GUO Xiao, JIE Xiao-lei, LI Ming, LIU Shi-liang, HU Hua-feng, YAO Wen-chao, LI Qiu-ling
. 2010, (1): 61 -66 .  DOI: 10.11733/j.issn.1007-0435.2010.01.012